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Alpine SWR-12D4 Subwoofers

Alpine SWR-12D4 Subwoofers

Alpine SWR-12D4 Subwoofers


The Type-R Subwoofers now offer unique Alpine technology and massive power handling to achieve even cleaner and deeper bass extension, faster and more accurate transients, and greater output capability.

With more power handling and patented Alpine technology for lower distortion and higher SPL, the new Type-R subs take performance to all new heights.


  • Kevlar-Reinforced Carbon Fibre Cone
  • Aluminium honeycomb
  • Kevlar-Reinforced pulp for maximum strength
  • High-efficiency thermal management
  • High-Amplitude Multi-Roll Surround
  • heavy-gauge push terminals
  • Peak Power Handling: 3000W
  • RMS Power Handling: 1000W
  • Nominal Impendance: 4ohms+4ohms
  • Frequency Response: 26Hz-200Hz
  • Mounting Dimensions: 275mm diameter x 161.8mm depth


  • Sealed: 12″
  • Frequency Response: 24Hz-200Hz
  • Power Range: 300W – 1000W RMS
  • RMS Power Handling: 1000W
  • Peak Power Handling: 3000W
  • Magnet Weight: 127oz
  • Voice Coil Diameter: 65.5 mm (2.6″)